[    2.151884] ip (261) used greatest stack depth: 12432 bytes left
[    2.641965] ip (292) used greatest stack depth: 12384 bytes left
[   60.660875] netem: version 1.3
[   67.762681] ip (3004) used greatest stack depth: 12128 bytes left
[  615.465917] tc (15683) used greatest stack depth: 11936 bytes left
[  683.546951] pm_nl_ctl (18830) used greatest stack depth: 11880 bytes left